Experience fast-acting, automatic protection from power loss with the Generac Guardian Series 5875 20,000 Watt Air-Cooled Propane/Natural Gas Powered Automatic Standby Generator with Aluminum Enclosure. Ideal for home use, this generator powers up automatically and within seconds of a power outage without the need for any manual startup. Without any buttons to push or cords to plug in, an automatic standby generator starts up by itself even when you're away! Featuring easy installation, it comes pre-wired and packaged with virtually everything necessary to connect to your home's electrical system and existing LP or natural gas fuel supply, so you can be protected the next time the lights go out.

Standby generators power up automatically within seconds of a power outage to keep your family safe and comfortable. View larger .

Hands-Free Automatic Operation When the power goes out, this generator eliminates the trouble of dealing with a fuse box in a dark basement or going outside in a storm to start a portable generator. After all LP or natural gas and electrical connections are completed, the Generac 5875 is ready to run 24/7 and requires absolutely no manual operation, no fueling, and no extension cords. The generator responds within seconds of power outages, so inconveniences like heat or air conditioning loss and burst pipes or spoiled food are quickly avoided.

Initial setup is easy. The generator arrives pre-wired and equipped with the necessary installation gear: a 200 Amp service entrance rated transfer switch , an outdoor connection box, a flexible fuel line pigtail, and a composite mounting pad. (Additional items and tools may be needed to complete the installation to meet local codes. Consult a licensed professional for further details.)

The unit can be programmed to perform a weekly exercise at the time of your choice, so it will be ready for continuous and reliable operation on a moment's notice. For convenience, it also offers clear, digital controls, an at-a-glance status indicator, and an external GFCI outlet to accomodate your outdoor power needs.

Superior Technology for Secure Output, Quiet Operation, and Durability Thanks to Generac's exclusive True Power Technology, this generator provides clean, continuous power, so sensitive electronics and microchip appliances like laptops and HVAC equipment can be operated without the worry that unexpected power surges bring. Also featuring Generac's patented Quiet-Test technology, this generator is truly neighborhood-friendly: it's self-test mode is as hushed as an idling car to ensure that your daily routine is unaffected.

The generator's aluminum enclosure offers superior corrosion resistance and is protected by Generac's proprietary RhinoCoat system--a unique process that binds the paint to the metal surface for a long-lasting, durable finish. This allows the generator to sit outdoors and withstand harsh weather conditions without developing an unsightly appearance.

Like all Generac generators, this model is UL (Underwriters Laboratories) listed for safety.

Rugged, Worry-Free Design The generator features the 999cc Generac OHVI® Engine, an exclusive air-cooled generator engine with a high-performance design that can accommodate large electrical loads. The engine optimizes power to respond swiftly to changing conditions. To add to your peace of mind, the engine requires routine maintenance only once every two years, or after 200 hours of use.